Leeds United sold their former captain in the summer, surprising many fans.
The Wigan Athletic boss has worked with Lavery on two prior occasions.
The Portugal talent has been linked with a move to newly-promoted Wolverhampton Wanderers.
The Scottish youngster has struggled since leaving Nottingham Forest for Germany in 2016.
The German's parent club Hamburg have just been relegated from the Bundesliga.
The German striker is set to become a free agent as his contract at Hertha Berlin ends, four years after Sheffield Wednesday's boss signed him.
That does not mean Leeds United should not consider a return for the player this summer.
Nottingham Forest are set to announce their latest retained list, but where are the players let go 12 months ago?
The Whites lost 1-0 away to Derby in the first leg.
The former Leeds pair are now pushing for a career at Premier League newcomers Cardiff City.
The Spaniard is finally turning raw talent into end product.
The defender's new contract was met by negative reaction.
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